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Method for reducing unnecessary handover of inter-system cells and network equipment

A technology of cell handover and network equipment, applied in electrical components, wireless communication, etc., can solve problems affecting the transmission rate of business data and reduce the effective coverage of LTE system cells, so as to achieve the effect of increasing coverage and high business service quality

Active Publication Date: 2013-03-20
HUAWEI TECH CO LTD
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Problems solved by technology

For the LTE continuous coverage area, if the interoperability threshold is set too much, it is easy for LTE to a different system (such as universal mobile telecommunications service (UMTS for short) or global system for mobile (GSM for short)) Handover will reduce the effective coverage of LTE system cells and affect the transmission rate of service data, so how to avoid "unnecessary inter-system cell handover" is an important research topic in the industry

Method used

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  • Method for reducing unnecessary handover of inter-system cells and network equipment
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  • Method for reducing unnecessary handover of inter-system cells and network equipment

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Embodiment Construction

[0032] The characteristic of the microcellular network is to enable the mobile terminal UE to seamlessly handover from the current cell to the target cell, where the current cell and the target cell can be the same frequency neighbor cell or different frequency neighbor cell in the same system, of course, they can also be different system neighbor cells. Area. Such as figure 1 As shown, the mobile terminal moves to the edge of LTE cell A, and it is assumed that the intra-system handover of cell A (the intra-system handover refers to the handover of the mobile terminal between different cells belonging to the same system) is based on the same-frequency adjacent cell ratio The level of the cell is 3 decibels (dB) higher (taking the same-frequency neighbor cell as an example), but the mobile terminal has not been able to detect the same-frequency neighbor cell that meets the handover condition; after the signal level of cell A drops to a certain threshold, In order to ensure the...

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Abstract

The embodiment of the invention provides a method for reducing unnecessary handover of inter-system cells, and network equipment. Handover conditions of adjacent cells of the same system are lowered to collect covering strength information of the adjacent cells in the system to judge whether the unnecessary handover of the inter-system cells exists; handover conditions of the inter-system cells are amplified to reduce the unnecessary handover of the inter-system cells to increase a coverage area of the current system cell, so that higher business service quality is ensured; and the method and the network equipment are simple and practical.

Description

technical field [0001] Embodiments of the present invention relate to wireless communication technologies, and in particular to a method and network equipment for reducing unnecessary inter-system handover. Background technique [0002] A feature of a microcellular network is that it enables a mobile terminal to seamlessly handover from one cell to another. There are many types of cell handover, including soft handover and hard handover, for example. Cell handover is mostly carried out through the assistance of the mobile terminal, that is, the network side equipment selects a target cell for handover according to the measurement report reported by the mobile terminal. At present, due to business requirements and operator expansion requirements, the hybrid network deployment of multi-system communities is becoming more and more common. [0003] Generally, the operator's strategy is to let the mobile terminal stay in the system cell that can provide higher quality of service...

Claims

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Application Information

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IPC IPC(8): H04W36/08H04W36/30
Inventor 高丹钱苏敏李娜
Owner HUAWEI TECH CO LTD
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